Flexible bellows piston seal

Details Flexible bellows piston seal Flexible bellows piston seal

1980-05-08

1981-05-19

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 12, 277200, 277212FB, 92 36, 92 44, 92178, F16J 300

Patent

active

042680425

ABSTRACT:
Means and method are provided for utilizing a piston and cylinder combination eliminating the usual sealing and oil rings and their accompanying friction and replacing them with ball bearings which in the principal embodiment are captured in splitring cages which are snapped into the existing grooves of the piston. Having thus lost the sealing ability of the piston, an accordion-type diaphram is utilized in the top of the cylinder to define the compression or combustion chamber.

REFERENCES:
patent: 1757997 (1930-05-01), Greenwald
patent: 2021156 (1935-11-01), Smith
patent: 2712483 (1955-07-01), Ciaccia
patent: 2791372 (1957-05-01), Abbatiello
patent: 2915046 (1959-12-01), Larsen et al.
patent: 3008294 (1961-11-01), Carlson

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